Bouzidi, Sana; Walha, Ines On the criteria of a measure of non-strict cosingularity in the description of spectral properties of operator matrix. (English) Zbl 07984137 Georgian Math. J. 32, No. 1, 37-50 (2025). MSC: 47A56 47A13 47A53 47A10 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Álvarez López, Jesús A.; Kordyukov, Yuri A.; Leichtnam, Eric Zeta invariants of Morse forms. (English) Zbl 07983484 J. Inst. Math. Jussieu 24, No. 2, 411-480 (2025). MSC: 58J28 58A12 58A14 58J20 57R58 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Wu, Xiufeng; Chen, Alatancang Perturbation of spectra for upper triangular relation matrices. (English) Zbl 07971323 Complex Anal. Oper. Theory 19, No. 1, Paper No. 18, 20 p. (2025). MSC: 47A06 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Yoshida, Naoya Bohr-Sommerfeld quantization condition for self-adjoint Dirac operators. (English) Zbl 07973566 Rev. Math. Phys. 36, No. 10, Article ID 2450024, 23 p. (2024). MSC: 81Q10 47A55 81Q20 47N50 × Cite Format Result Cite Review PDF Full Text: DOI
El-Sayed, Ahmed Mohammed Ahmed; Salman, Sanaa Moussa; Ibrahim, Mostafa On the dynamics of a discrete Riccati equation with perturbation. (English) Zbl 07959548 Appl. Anal. Optim. 8, No. 3, 371-383 (2024). MSC: 37-XX 34A12 34K20 34K27 37C25 37G15 × Cite Format Result Cite Review PDF Full Text: Link
Feng, Gaohuizi; Li, Pentong Criteria for the properties \((\omega)\) and \((W_E)\) under perturbations. (English) Zbl 07958086 Bull. Belg. Math. Soc. - Simon Stevin 31, No. 3, 367-383 (2024). MSC: 47A10 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Azzouz, Abdelhalim; Beghdadi, Mahamed; Krichen, Bilel Correction to: “G-Riesz operators and their spectral properties”. (English) Zbl 07952556 Adv. Oper. Theory 9, No. 4, Paper No. 88, 11 p. (2024). MSC: 47A10 47A55 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Bouida, Naila; Walha, Ines On the measure of non strict cosingularity and the theory of operator matrix. (English) Zbl 07944285 Commun. Korean Math. Soc. 39, No. 4, 875-895 (2024). MSC: 47A56 47A13 47A53 47A10 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Kuto, Kousuke; Sato, Homare Morse index of steady-states to the SKT model with Dirichlet boundary conditions. (English) Zbl 1547.35060 SIAM J. Math. Anal. 56, No. 4, 5386-5408 (2024). MSC: 35B35 35B32 35B36 35J50 35J57 35J62 92D25 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Krichen, Bilel; Trabelsi, Bilel Some spectral results for demicompact operators and their restrictions with an application to transport equations. (English) Zbl 07906437 Ric. Mat. 73, No. 3, 1511-1536 (2024). MSC: 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Do Duc Thuan; Ninh Thi Thu Solvability and stability of switched discrete-time linear singular systems under Lipschitz perturbations. (English) Zbl 1544.39004 J. Difference Equ. Appl. 30, No. 7, 849-869 (2024). MSC: 39A13 39A30 39A70 39A10 × Cite Format Result Cite Review PDF Full Text: DOI
Guerroudj, Mohamed; Drai, Ahmed; Daikh, Ahmed Amine; Houari, Mohammed Sid Ahmed; Aour, Benaoumeur; Eltaher, Mohamed A.; Belarbi, Mohamed-Ouejdi Size-dependent free vibration analysis of multidirectional functionally graded nanobeams via a nonlocal strain gradient theory. (English) Zbl 1546.74036 J. Eng. Math. 146, Paper No. 20, 23 p. (2024). MSC: 74H45 74K10 74E05 74M25 74H10 × Cite Format Result Cite Review PDF Full Text: DOI
Bart, H.; Ehrhardt, T.; Silbermann, B. The Rouché Theorem for Fredholm functions: an enhanced version. (English) Zbl 07874831 Linear Algebra Appl. 697, 184-200 (2024). MSC: 47A56 47A53 47A55 30C80 30G30 30C15 × Cite Format Result Cite Review PDF Full Text: DOI
Hadji, Soufiane; Zguitti, Hassane Common spectral properties and \(\nu\)-convergence. (English) Zbl 07871058 Banach J. Math. Anal. 18, No. 3, Paper No. 39, 21 p. (2024). MSC: 47A10 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Álvarez, T.; Keskes, S. Relationships between inessential, strictly singular, strictly cosingular and improjective linear relations. (English) Zbl 07857917 Anal. Math. 50, No. 1, 1-30 (2024). Reviewer: Valerii V. Obukhovskij (Voronezh) MSC: 47A06 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Sarajlija, Nikola Upper triangular operator matrices and stability of their various spectra. (English) Zbl 07851980 Result. Math. 79, No. 4, Paper No. 156, 19 p. (2024). MSC: 47A08 47A53 47A55 47A05 47A10 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Chen, Hua; Chen, Hong-Ge; Li, Jin-Ning; Liao, Xin Multiplicity of solutions for the semilinear subelliptic Dirichlet problem. (English) Zbl 1537.35014 Sci. China, Math. 67, No. 3, 475-504 (2024). MSC: 35A15 35H20 35J70 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Liu, Xinran; Wu, Deyu The essential spectrums of \(2\times 2\) unbounded anti-triangular operator matrices. (English) Zbl 07834253 Ann. Funct. Anal. 15, No. 2, Paper No. 33, 20 p. (2024). MSC: 47A53 47A55 47B07 × Cite Format Result Cite Review PDF Full Text: DOI
Triolo, Salvatore Note on commuting quasi-nilpotent unbounded operators. (English) Zbl 07833693 Adv. Oper. Theory 9, No. 1, Paper No. 8, 8 p. (2024). MSC: 47A10 47A11 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Aiena, Pietro; Burderi, Fabio; Triolo, Salvatore Further properties of an operator commuting with an injective quasi-nilpotent operator. (English) Zbl 07830956 Mediterr. J. Math. 21, No. 1, Paper No. 34, 15 p. (2024). MSC: 47A10 47A11 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Marzouk, Ines; Walha, Ines New approach on the study of operator matrix. (English) Zbl 1537.39015 Georgian Math. J. 31, No. 2, 315-330 (2024). MSC: 39B42 15A09 47A56 47A13 47A10 47A53 34K08 47A55 45J05 × Cite Format Result Cite Review PDF Full Text: DOI
Rashid, M. H. M. On the isolated points of the operators satisfying absolute condition inequality. (English) Zbl 07825930 Rend. Circ. Mat. Palermo (2) 73, No. 3, 1217-1230 (2024). MSC: 47A55 47A53 47B20 47A10 47A11 × Cite Format Result Cite Review PDF Full Text: DOI
Krichen, Bilel; Trabelsi, Bilel \(B\)-Weyl and Drazin invertible operators linked by weak pseudo \(S_0\)-demicompactness. (English) Zbl 07818710 Ric. Mat. 73, No. 1, 593-610 (2024). MSC: 47A53 47A55 47A10 × Cite Format Result Cite Review PDF Full Text: DOI
Zhou, Ting Ting; Xiu, Li Qi Property \(\mathcal{P}\) and compact perturbations. (English) Zbl 07818525 Complex Anal. Oper. Theory 18, No. 2, Paper No. 31, 19 p. (2024). MSC: 47A10 47A55 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Veliev, Oktay Multidimensional periodic Schrödinger operator. Perturbation theory and applications. 3rd edition. (English) Zbl 1545.81064 Springer Tracts in Modern Physics 291. Cham: Springer (ISBN 978-3-031-49034-7/hbk; 978-3-031-49037-8/pbk; 978-3-031-49035-4/ebook). xiii, 412 p. (2024). MSC: 81Q05 31A15 37C25 47A55 82-02 81-02 × Cite Format Result Cite Review PDF Full Text: DOI
Feng, Gao Hui Zi; Li, Peng Tong Weyl type theorem for bounded linear operator and its functional calculus. (English) Zbl 07806021 Acta Math. Sin., Engl. Ser. 40, No. 2, 528-536 (2024). MSC: 47A53 47A10 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Baraket, Sami; Jeribi, Aref Lower characteristic, weakly quasi-compact and application. (English) Zbl 07802382 Result. Math. 79, No. 2, Paper No. 86, 10 p. (2024). MSC: 47B07 47A10 47A55 47A53 47N30 60J10 × Cite Format Result Cite Review PDF Full Text: DOI
Yan, Kai One-sided Drazin inverses in Banach algebras and perturbations of B-Fredholm spectra. arXiv:2402.13574 Preprint, arXiv:2402.13574 [math.FA] (2024). MSC: 15A09 47A53 47A55 × Cite Format Result Cite Full Text: arXiv OA License
Zhang, Yunnan; Zeng, Qingping; Wu, Zhenying B-Fredholm theory in Banach algebras. arXiv:2402.00574 Preprint, arXiv:2402.00574 [math.FA] (2024). MSC: 46H05 46H10 47A53 47A55 × Cite Format Result Cite Full Text: arXiv OA License
Baraket, Sami; Ghorbal, Anis Ben; Jeribi, Aref Generalized lower characteristic involving measures of non-strict singularity. (English) Zbl 07920311 Topol. Algebra Appl. 11, Article ID 20230106, 10 p. (2023). MSC: 47A10 47A55 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Ammar, Aymen; Bouchekoua, Ameni; Jeribi, Aref New results of the pseudospectra of linear operators in a Banach space. (English) Zbl 07916251 Funct. Anal. Approx. Comput. 15, No. 1, 13-26 (2023). MSC: 47A53 47A55 47A10 × Cite Format Result Cite Review PDF Full Text: Link
Chtourou, Ines; Krichen, Bilel \(\varepsilon\)-pseudo weak-demicompactness for \(2 \times 2\) block operator matrices. (English) Zbl 07876227 Adv. Pure Appl. Math. 15, No. 2, 1-17 (2024). MSC: 47A08 47A53 47A55 47A10 × Cite Format Result Cite Review PDF Full Text: DOI
Kashyap, Neeru On property (Bw1). (English) Zbl 1549.47028 Poincare J. Anal. Appl. 10, No. 2, 263-270 (2023). MSC: 47A55 47A10 47A11 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Pham, Thanh-Hung On second-order semi-differentiability of index \(\gamma\) of perturbation maps in parametric vector optimization problems. (English) Zbl 1547.90182 Asia-Pac. J. Oper. Res. 40, No. 6, Article ID 2250041, 38 p. (2023). MSC: 90C29 90C31 × Cite Format Result Cite Review PDF Full Text: DOI
Liu, Xinran; Wu, Deyu The essential spectrum equalities of \(2 \times 2\) unbounded upper triangular operator matrices. (English) Zbl 07812170 Oper. Matrices 17, No. 4, 1065-1076 (2023). MSC: 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Wang, Xiaoli; Alatancang Semi-Fredholmness for upper triangular operator matrices with the single-valued extension property and its application. (Chinese. English summary) Zbl 1549.47013 Acta Math. Appl. Sin. 46, No. 3, 348-365 (2023). MSC: 47A08 47A10 47A11 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: Link
Bouaniza, Hafsa; Issaoui, Imen; Maher, Mnif On \(k\)-strictly quasi-Fredholm linear relations. (English) Zbl 1549.47007 Math. Pannonica (N.S.) 29, No. 2, 204-218 (2023). Reviewer: Valerii V. Obukhovskij (Voronezh) MSC: 47A06 47A13 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Lahmar, Asma; Skhiri, Haikel On the perturbation of pseudo-generalized invertible operators. (English) Zbl 1549.47002 Acta Sci. Math. 89, No. 3-4, 389-411 (2023). MSC: 47A05 47A55 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Soriano Arbizu, José María; Cabrera, Manuel Ordoñez Operators that are weakly coercive and a compact perturbation. (English) Zbl 07791594 Math. Slovaca 73, No. 6, 1559-1568 (2023). MSC: 47H14 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Álvarez, Teresa; Keskes, Sonia Characterizations of inessential linear relations. (English) Zbl 1543.47005 Rocky Mt. J. Math. 53, No. 6, 1671-1689 (2023). MSC: 47A06 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI Link
Abdmouleh, Faiçal; Khlif, Hassen; Walha, Ines On left and right Browder elements in Banach algebra relative to a bounded homomorphism. (English) Zbl 1539.47022 Georgian Math. J. 30, No. 6, 803-810 (2023). Reviewer: Andrzej Sołtysiak (Poznań) MSC: 47A53 47A10 47A55 46H05 × Cite Format Result Cite Review PDF Full Text: DOI
Bouzidi, Sana; Moalla, Nedra; Walha, Ines On the analysis of some perturbed Browder’s operators. (English) Zbl 07757164 Ann. Univ. Ferrara, Sez. VII, Sci. Mat. 69, No. 2, 401-420 (2023). MSC: 47A10 47A53 34K08 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Prasad, T.; Thomas, Simi; Fernandez, Shery Stability of property \((UW_E)\) under compact perturbations. (English) Zbl 1533.47014 Rend. Circ. Mat. Palermo (2) 72, No. 7, 3659-3664 (2023). MSC: 47A55 47A10 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Garbouj, Zied; Skhiri, Haïkel On the essential minimum and essential surjectivity moduli of linear relations in Banach spaces. (English) Zbl 1546.47004 Rend. Circ. Mat. Palermo (2) 72, No. 7, 3597-3624 (2023). Reviewer: Mohamed Zohry (Tétouan) MSC: 47A06 47A05 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Caritá, G. A.; Aljbaae, S.; Prado, A. F. B. A.; Signor, A. C.; Morais, M. H. M.; Sanchez, D. M. Analysis of the natural orbits around Io. (English) Zbl 1528.70018 Celest. Mech. Dyn. Astron. 135, No. 5, Paper No. 46, 18 p. (2023). MSC: 70F15 70F10 70-08 × Cite Format Result Cite Review PDF Full Text: DOI
Zhou, Qinglong Linear stability of elliptic relative equilibria of four-body problem with two infinitesimal masses. (English) Zbl 1536.70013 Adv. Math. 432, Article ID 109259, 66 p. (2023). Reviewer: Martha Alvarez-Ramírez (Ciudad de México) MSC: 70F10 70H14 70H09 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Huang, Junjie; Du, Yanyan; Huo, Ran Fredholm properties of upper triangular matrices of relations. (English) Zbl 1522.47005 Adv. Oper. Theory 8, No. 3, Paper No. 44, 22 p. (2023). MSC: 47A06 47A53 47A55 47A10 × Cite Format Result Cite Review PDF Full Text: DOI
González, Manuel; Salas-Brown, Margot Two classes of operators related to the perturbation classes problem. (English) Zbl 1522.47032 Adv. Oper. Theory 8, No. 3, Paper No. 41, 9 p. (2023). MSC: 47A55 47A53 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Sarajlija, Nikola Invertibility properties of operator matrices on Hilbert spaces. (English) Zbl 1522.47009 Adv. Oper. Theory 8, No. 3, Paper No. 39, 16 p. (2023). MSC: 47A08 47A53 47A55 47A05 47A10 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Aydi, Rabeb; Ferjani, Imen; Krichen, Bilel Index for generalized Fredholm operators and generalized perturbation theory. (English) Zbl 07722457 Georgian Math. J. 30, No. 4, 493-507 (2023). MSC: 47A53 47A10 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Biswas, Anjan; Bagchi, Bijan K.; Yıldırım, Yakup; Khan, Salam; Asiri, Asim Quasimonochromatic dynamical system and optical soliton cooling with triple-power law of self-phase modulation. (English) Zbl 1528.81140 Phys. Lett., A 480, Article ID 128985, 6 p. (2023). MSC: 81Q15 35C08 70H11 37C25 × Cite Format Result Cite Review PDF Full Text: DOI
Tinh, Cao Thanh; Thuan, Do Duc Stability of stochastic singular difference equations with delay. (English) Zbl 1520.93597 Int. J. Syst. Sci., Princ. Appl. Syst. Integr. 54, No. 5, 1004-1014 (2023). MSC: 93E15 93C23 39A50 93C43 × Cite Format Result Cite Review PDF Full Text: DOI
Chamkha, Yosra; Kammoun, Marwa Saphar linear relations and perturbations. (English) Zbl 1533.47008 Rend. Circ. Mat. Palermo (2) 72, No. 3, 2231-2247 (2023). Reviewer: Valerii V. Obukhovskij (Voronezh) MSC: 47A06 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
García, O.; Ferrer, O.; Carpintero, C.; Sanabria, J. On generalized semi B-Fredholm operators. (English) Zbl 1533.47013 Rend. Circ. Mat. Palermo (2) 72, No. 3, 1729-1737 (2023). Reviewer: Sen Zhu (Changchun) MSC: 47A53 47A55 47A10 47A11 47A15 × Cite Format Result Cite Review PDF Full Text: DOI
Banaji, Murad Splitting reactions preserves nondegenerate behaviors in chemical reaction networks. (English) Zbl 1530.80003 SIAM J. Appl. Math. 83, No. 2, 748-769 (2023). MSC: 80A30 37C25 34D15 34E13 92C42 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Li, Houwang; Zou, Wenming Quasilinear Schrödinger equations: ground state and infinitely many normalized solutions. (English) Zbl 1514.35205 Pac. J. Math. 322, No. 1, 99-138 (2023). MSC: 35J62 35A01 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Wang, Xiao Li; Alatancang The decomposability for operator matrices and perturbations. (English) Zbl 1518.47006 Acta Math. Sin., Engl. Ser. 39, No. 3, 497-512 (2023). MSC: 47A08 47A10 47A11 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Hadji, Soufiane; Zguitti, Hassane Jacobson’s lemma for generalized Drazin-Riesz inverses. (English) Zbl 07682203 Acta Math. Sin., Engl. Ser. 39, No. 3, 481-496 (2023). Reviewer: K. C. Sivakumar (Chennai) MSC: 47A05 47A10 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Cao, Xiaohong; Yang, Lili New approach to property \((\omega)\) for functions of operators. (English) Zbl 1514.47021 Quaest. Math. 46, No. 2, 335-346 (2023). MSC: 47A53 47A10 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Burago, Dmitri; Chen, Dong; Ivanov, Sergei Flexibility of sections of nearly integrable Hamiltonian systems. (English) Zbl 1517.37061 Commun. Contemp. Math. 25, No. 4, Article ID 2250028, 23 p. (2023). Reviewer: William J. Satzer Jr. (St. Paul) MSC: 37J40 37J11 37J39 37J46 53D12 53C60 70K43 70H08 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Ammar, Aymen; Boutaf, Fatima Zohra; Jeribi, Aref New results on perturbations of \(\mathrm{p}\)-adic linear operators. (English) Zbl 1523.47084 Georgian Math. J. 30, No. 2, 173-184 (2023). MSC: 47S10 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Ammar, Aymen; Boutaf, Fatima Zohra; Jeribi, Aref Some results of essential spectra of sum of two bounded linear operators in non-Archimedean Banach space. (English) Zbl 1523.47083 Bol. Soc. Mat. Mex., III. Ser. 29, No. 1, Paper No. 18, 19 p. (2023); correction ibid. 29, No. 2, Paper No. 33, 1 p. (2023). MSC: 47S10 47A53 47A55 47A10 × Cite Format Result Cite Review PDF Full Text: DOI
Aznay, Zakariae; Ouahab, Abdelmalek; Zariouh, Hassan Generalization of some commutative perturbation results. (English) Zbl 1519.47044 Ann. Funct. Anal. 14, No. 1, Paper No. 6, 17 p. (2023). MSC: 47C05 47A10 47A11 47A53 47A55 46H05 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Berkolaiko, Gregory; Cox, Graham; Latushkin, Yuri; Sukhtaiev, Selim The Duistermaat index and eigenvalue interlacing for self-adjoint extensions of a symmetric operator. arXiv:2311.06701 Preprint, arXiv:2311.06701 [math.SP] (2023). MSC: 47A55 47B25 47A10 47A06 47A06 53D12 × Cite Format Result Cite Full Text: arXiv OA License
Fürst, Oliver Trace and Index of Dirac-Schrödinger Operators on Open Space with Operator Potentials. arXiv:2311.02593 Preprint, arXiv:2311.02593 [math.FA] (2023). MSC: 47B10 47A53 47A55 47A10 35P25 81Q10 × Cite Format Result Cite Full Text: arXiv
Wang, Xiao Li; Alatancang The local spectral properties for upper triangular operator matrices and application. (Chinese. English summary) Zbl 1539.47009 Acta Math. Sin., Chin. Ser. 65, No. 4, 625-638 (2022). MSC: 47A08 47A11 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Valladares, Elevis Aponte Property \((az)\) through topological notions and some applications. (English) Zbl 1522.47014 Trans. A. Razmadze Math. Inst. 176, No. 3, 417-425 (2022). MSC: 47A10 47A11 47A53 47A55 47B01 × Cite Format Result Cite Review PDF Full Text: Link
Ren, Yanxun; Jiang, Lining; Kong, Yingying Property \((W_E)\) and topological uniform descent. (English) Zbl 1545.47008 Bull. Belg. Math. Soc. - Simon Stevin 29, No. 1, 1-17 (2022). Reviewer: Ömer Gök (İstanbul) MSC: 47A10 47A53 47A55 47A16 × Cite Format Result Cite Review PDF Full Text: DOI
Wu, Xiufeng; Huang, Junjie; Chen, Alatancang On the left (right) invertibility of operator matrices. (English) Zbl 1525.47010 Linear Multilinear Algebra 70, No. 22, 7836-7855 (2022). MSC: 47A08 47A10 47A53 47A55 47B02 × Cite Format Result Cite Review PDF Full Text: DOI
Xu, Guixin; Zhang, Meirong Relationships between perturbations of a linear relation and its operator part. (English) Zbl 1510.47005 Discrete Dyn. Nat. Soc. 2022, Article ID 9134363, 12 p. (2022). MSC: 47A06 47A55 47B25 47A10 × Cite Format Result Cite Review PDF Full Text: DOI
Chen, Hua; Chen, Hong-Ge; Yuan, Xin-Rui Existence and multiplicity of solutions to Dirichlet problem for semilinear subelliptic equation with a free perturbation. (English) Zbl 1504.35004 J. Differ. Equations 341, 504-537 (2022). MSC: 35A15 35H20 35J25 35J70 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Aiena, Pietro; Burderi, Fabio; Triolo, Salvatore On commuting quasi-nilpotent operators that are injective. (English) Zbl 07623938 Math. Proc. R. Ir. Acad. 122A, No. 2, 101-116 (2022). Reviewer: Hans-Olav Tylli (Helsinki) MSC: 47B01 47A10 47A11 47A53 47A55 × Cite Format Result Cite Review PDF
Ben Ouidren, Kaoutar; Zariouh, Hassan New approach to a-Weyl’s theorem through localized SVEP and Riesz-type perturbations. (English) Zbl 1511.47013 Linear Multilinear Algebra 70, No. 17, 3231-3247 (2022). MSC: 47A53 47A10 47A11 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Carey, Alan; Levitina, Galina Index theory beyond the Fredholm case. (English) Zbl 1515.58005 Lecture Notes in Mathematics 2323. Cham: Springer (ISBN 978-3-031-19435-1/pbk; 978-3-031-19436-8/ebook). xiv, 175 p. (2022). Reviewer: Peter Haskell (Blacksburg) MSC: 58J30 47A53 47A55 47A40 58J22 × Cite Format Result Cite Review PDF Full Text: DOI
El Amrani, Abdelkhalek; Blali, Aziz; Taybi, Mohamed Amine Spectral analysis for finite rank perturbation of diagonal operator in non-Archimedean Banach space of countable type. (English) Zbl 1511.47098 Proyecciones 41, No. 5, 1063-1074 (2022). MSC: 47S10 47A10 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Wu, Xiu Feng; Huang, Jun Jie; Alatancang Self-adjoint perturbations of left (right) essential spectrum for upper triangular operator matrices. (Chinese. English summary) Zbl 1504.47013 Acta Math. Sin., Chin. Ser. 65, No. 3, 423-434 (2022). MSC: 47A08 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: Link
Abdmouleh, Faiçal; Elgabeur, Bilel Pseudo essential spectra in Banach space and application to operator matrices. (English) Zbl 1504.47030 Acta Appl. Math. 181, Paper No. 7, 16 p. (2022). MSC: 47A53 47A55 47A10 47A08 × Cite Format Result Cite Review PDF Full Text: DOI
Rashid, M. H. M. Passage of property \((t)\) from two operators to their tensor product. (English) Zbl 07589563 Palest. J. Math. 11, No. 3, 237-248 (2022). MSC: 47A10 47A11 47A53 × Cite Format Result Cite Review PDF Full Text: Link
Kong, Yingying; Ren, Yanxun; Jiang, Lining Spectral theory of B-Weyl elements and the generalized Weyl’s theorem in primitive \(\mathrm{C}^\ast\)-algebra. (English) Zbl 1508.46038 Turk. J. Math. 46, No. 5, SI-2, 1927-1944 (2022). MSC: 46L05 46H99 47A05 47A10 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Do Duc Thuan; Nguyen Hong Son Solvability and stability of stochastic singular difference equations with constant coefficient matrices of index-\(\nu\). (English) Zbl 1498.93763 Int. J. Syst. Sci., Princ. Appl. Syst. Integr. 53, No. 10, 2063-2074 (2022). MSC: 93E15 39A50 × Cite Format Result Cite Review PDF Full Text: DOI
Bouzidi, Sana; Moalla, Nedra; Walha, Ines Spectral analysis of perturbed Fredholm operators. (English) Zbl 1500.47019 Complex Anal. Oper. Theory 16, No. 6, Paper No. 87, 27 p. (2022). MSC: 47A53 47A55 47A10 34K08 × Cite Format Result Cite Review PDF Full Text: DOI
Elazzouzi, Abdelhai; Ezzinbi, Khalil; Kriche, Mohammed Periodic solution for some class of linear partial differential equation with infinite delay using semi-Fredholm perturbations. (English) Zbl 1503.34121 Nonauton. Dyn. Syst. 9, 116-144 (2022). Reviewer: Valerii V. Obukhovskij (Voronezh) MSC: 34K13 34K06 34K27 34K12 34K30 35B10 47A53 47N20 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Hadji, Soufiane; Zguitti, Hassane Further common spectral properties of bounded linear operators \(AC\) and \(BD\). (English) Zbl 1509.47009 Rend. Circ. Mat. Palermo (2) 71, No. 2, 707-723 (2022). MSC: 47A10 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Chelly, Slim; Jeribi, Aref; Krichen, Bilel Stability of relative essential spectra of the transport operator in \(L^1\)-space by means of measures of noncompactness and relative weak demicompactness. (English) Zbl 07557942 Monatsh. Math. 198, No. 4, 653-674 (2022). MSC: 47A10 47A13 47A55 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Guglielmi, Nicola; Mehrmann, Volker Computation of the nearest structured matrix triplet with common null space. (English) Zbl 1493.37101 ETNA, Electron. Trans. Numer. Anal. 55, 508-531 (2022). MSC: 37M99 15A22 15A18 15A21 65K05 × Cite Format Result Cite Review PDF Full Text: DOI arXiv Link
Cvetković-Ilić, Dragana S. Completion problems on operator matrices. (English) Zbl 1509.47001 Mathematical Surveys and Monographs 267. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-6987-0/pbk; 978-1-4704-7113-2/ebook). xiii, 170 p. (2022). Reviewer: Monika Winklmeier (Bogotá) MSC: 47-02 47A08 47A05 47A10 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Lukoto, Tshikhudo; Raubenheimer, Heinrich Perturbation ideals and Fredholm theory in Banach algebras. (English) Zbl 1503.46039 Extr. Math. 37, No. 1, 91-110 (2022). Reviewer: Oleksiy Karlovych (Lisboa) MSC: 46H05 47A53 46J45 × Cite Format Result Cite Review PDF Full Text: DOI
Yang, Lili; Cao, Xiaohong Property \((UW_\Pi)\) for functions of operators and compact perturbations. (English) Zbl 07548041 Mediterr. J. Math. 19, No. 4, Paper No. 163, 10 p. (2022). MSC: 47A53 47A10 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Benkhaled, Hedi; Elleuch, Asrar; Jeribi, Aref Demicompactness properties for uniformly continuous cosine families. (English) Zbl 1510.47058 Mediterr. J. Math. 19, No. 4, Paper No. 157, 13 p. (2022). Reviewer: Nikita V. Artamonov (Moskva) MSC: 47D09 47A55 47A53 47A10 × Cite Format Result Cite Review PDF Full Text: DOI
Kong, Yingying; Jiang, Lining; Ren, Yanxun The generalized Fredholm elements in a semisimple Banach algebra. (English) Zbl 1497.46054 Ann. Funct. Anal. 13, No. 3, Paper No. 38, 13 p. (2022). Reviewer: Mohamed Zohry (Tétouan) MSC: 46H05 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Álvarez, Teresa; Keskes, Sonia Improjective linear relations. (English) Zbl 07531062 Mediterr. J. Math. 19, No. 3, Paper No. 140, 17 p. (2022). Reviewer: Valerii V. Obukhovskij (Voronezh) MSC: 47A06 47A53 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Zheng, Sai-Nan; Chen, Xi; Liu, Lily Li; Wang, Yi Inertia indices and eigenvalue inequalities for Hermitian matrices. (English) Zbl 1497.15023 Linear Multilinear Algebra 70, No. 8, 1543-1552 (2022). Reviewer: Mikhail Tyaglov (Shanghai) MSC: 15A42 15B57 15A18 47A55 05C50 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Ren, Yanxun; Jiang, Linling; Kong, Yingying Consistent invertibility and perturbations of property (\(R\)). (English) Zbl 1516.47030 Publ. Math. Debr. 100, No. 3-4, 435-447 (2022). MSC: 47A53 47A10 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Liu, Yan; Shi, Yuming Stability of deficiency indices of Hermitian subspaces under relatively bounded perturbations. (English) Zbl 07518419 Linear Multilinear Algebra 70, No. 7, 1356-1368 (2022). MSC: 47A06 47A55 47B15 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Moalla, Nedra; Selmi, Wafa Invariance of the essential spectra of closed linear operator pencils on a Banach space. (English) Zbl 07517125 Ann. Funct. Anal. 13, No. 2, Paper No. 31, 22 p. (2022). MSC: 47A10 47A53 34K08 × Cite Format Result Cite Review PDF Full Text: DOI
Berkolaiko, Gregory; Kuchment, Peter Spectral shift via “lateral” perturbation. (English) Zbl 1501.47024 J. Spectr. Theory 12, No. 1, 83-104 (2022). MSC: 47A55 47A10 47B25 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Azzouz, Abdelhalim; Beghdadi, Mahamed; Krichen, Bilel G-Riesz operators and their spectral properties. (English) Zbl 07486145 Adv. Oper. Theory 7, No. 2, Paper No. 18, 27 p. (2022); corrigendum ibid. 9, No. 4, Paper No. 88, 11 p. (2024). MSC: 47A10 47A55 47A53 × Cite Format Result Cite Review PDF Full Text: DOI
Yang, Yongyu; Cheng, Changzheng; Yao, Shanlong; Li, Jingchuan; Niu, Zhongrong Singularity analysis for the V-notch in functionally graded piezoelectric/piezomagnetic material. (English) Zbl 1482.74076 J. Eng. Math. 132, Paper No. 17, 16 p. (2022). MSC: 74G70 74F15 74E05 74G10 × Cite Format Result Cite Review PDF Full Text: DOI
Yang, Lili; Cao, Xiaohong Property \((R)\) for functions of operators and its perturbations. (English) Zbl 1496.47025 Mediterr. J. Math. 19, No. 1, Paper No. 25, 10 p. (2022). MSC: 47A53 47A10 47A55 × Cite Format Result Cite Review PDF Full Text: DOI
Aznay, Zakariae; Ouahab, Abdelmalek; Zariouh, Hassan Perturbations not necessarily commutative. arXiv:2209.01086 Preprint, arXiv:2209.01086 [math.SP] (2022). MSC: 13Axx 47A10 47A11 47A53 47A55 × Cite Format Result Cite Full Text: arXiv OA License